Finite Group Databasebeta

C2×#23761648 #34209936

order20224
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#23761648

Splittings

FittingC22×#95×C79 ⋊ C2
SylowC79 ⋊ C2×#1440

Subgroups

subgroupG/H
centerC25C22×D79
commutatorC23×C79C23×C4
FrattiniC24C23×D79
FittingC22×#95×C79C2
socleC25×C79C23
prime radicalC25×D79C22
cosocleC24×C79C24
hypercenterC22×#95D79
hypocenterC79C2×#1440
LCSG ▷ C23×C79 ▷ C79
UCSC1 ◁ C25 ◁ C22×#95

4622 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 97
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 4 generators on 97 points:

(1,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,79,77,75,73,71,69,67,65,63,61,59,57,55,53,51,49,47,45,43,41,39,37,35,33,31,29,27,25,23,21,19,17,15,13,11,9,7,5,3)(87,89)(91,93)(94,96,97,95);(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(14,15)(16,17)(18,19)(20,21)(22,23)(24,25)(26,27)(28,29)(30,31)(32,33)(34,35)(36,37)(38,39)(40,41)(42,43)(44,45)(46,47)(48,49)(50,51)(52,53)(54,55)(56,57)(58,59)(60,61)(62,63)(64,65)(66,67)(68,69)(70,71)(72,73)(74,75)(76,77)(78,79)(90,91)(92,93)(94,95)(96,97);(82,83,84,85)(86,87)(88,89)(95,96);(80,81)

Conjugacy classes & character table

3208 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 91235);